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NTIS

04/04/2019

Collation

xi, ca. 270 p. : ill., maps ; 29 cm.

Abstract

This report summarizes and interprets the 2005 UATMP and NATTS hexavalent chromium monitoring effort, and serves as a companion to the 2005 UATMP annual report (U.S. EPA, 2007). This report includes up to 12 months of 1-in-6 and 1-in-12 day measurements of ambient air quality at 22 monitoring sites in or near 19 urban/rural locations, including 14 metropolitan statistical areas (MSAs). The analysis and data interpretation in this report focuses on hexavalent chromium data trends. In addition to the planned schedule for 2005 sampling, additional measurements were collected in the wake of Hurricane Katrinas devastation to the Gulf Coast in late August 2005. The results from post-Katrina hexavalent chromium sampling are included in this report at the request of the State of Mississippi.

Notes

Project officer: Mike Jones. "February 2007." "Prepared for: Margaret Dougherty and Mike Jones, Office of Air Quality Planning and Standards." PB2007-111699 Includes bibliographical references. Final report. Sponsored by the Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency.